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The Association of British Counties

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British Place Names

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Castell Cas-gwent, Monmouthshire

Castell Cas-gwent (Chepstow Castle) is a castle located above the River Wye at Chepstow, Monmouthshire. It is the oldest surviving post-Roman stone fortification in Britain, construction having begun in 1067 under the instruction of the Norman Lord William FitzOsbern. It was the southernmost of a chain of castles built in the Welsh Marches. It is in the care of Cadw. It is within the council area of Monmouthshire.
CADW Scheduled Monument MM003.

Place Type: Mediæval Castle
Alternative name(s): Chepstow Castle
Historic County: Monmouthshire
Lat, Long: 51.643834,-2.6755433
Grid Reference: ST 5335 9410
Community (Civil Parish): Chepstow C
Council Area: Monmouthshire CA
Police Area: Gwent PA
Devolved Legislature:  Welsh Assembly (Senedd)

GBPN ID: 65558
Entry Type: Alternative name listing (C)

 GBPN URL: https://gazetteer.org.uk/place/Castell_Cas-gwent,_Monmouthshire_65558
 Wikidata: https://www.wikidata.org/wiki/Q1070187
 Wikishire: https://wikishire.co.uk/wiki/Chepstow